Serge: Woops, cancel my earlier reply, I missed the "male NPT" part. I'll see what I can find locally(automotive) or the AN840 can still be used, you will just need AN910 couplings (unless the stackup is too long), or you want 45 or 90 degree fittings.
Allen G. Wiesner KR-2SS/TD S/N 1118 65 Franklin Street Ansonia, CT 06401-1240 (203) 732-0508 flash...@usadatanet.net